Model Comparison

Claude Sonnet 4.5 vs Qwen3 VL 4B Instruct

Claude Sonnet 4.5 significantly outperforms across most benchmarks. Qwen3 VL 4B Instruct is 26.7x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Claude Sonnet 4.5 outperforms in 2 benchmarks (AIME 2025, OSWorld), while Qwen3 VL 4B Instruct is better at 0 benchmarks.

Claude Sonnet 4.5 significantly outperforms across most benchmarks.

Mon May 25 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Qwen3 VL 4B Instruct costs less

For input processing, Claude Sonnet 4.5 ($3.00/1M tokens) is 30.0x more expensive than Qwen3 VL 4B Instruct ($0.10/1M tokens).

For output processing, Claude Sonnet 4.5 ($15.00/1M tokens) is 25.0x more expensive than Qwen3 VL 4B Instruct ($0.60/1M tokens).

In conclusion, Claude Sonnet 4.5 is more expensive than Qwen3 VL 4B Instruct.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Mon May 25 2026 • llm-stats.com

Claude Sonnet 4.5

Input tokens$3.00

Output tokens$15.00

Best providerAnthropic

Qwen3 VL 4B Instruct

Input tokens$0.10

Output tokens$0.60

Best providerDeepinfra

Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Qwen3 VL 4B Instruct accepts 262,144 input tokens compared to Claude Sonnet 4.5's 200,000 tokens. Qwen3 VL 4B Instruct can generate longer responses up to 262,144 tokens, while Claude Sonnet 4.5 is limited to 64,000 tokens.

Claude Sonnet 4.5

Input200,000 tokens

Output64,000 tokens

Qwen3 VL 4B Instruct

Input262,144 tokens

Output262,144 tokens

Mon May 25 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Sonnet 4.5 and Qwen3 VL 4B Instruct support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Sonnet 4.5

Text

Images

Audio

Video

Qwen3 VL 4B Instruct

Text

Images

Audio

Video

License

Usage and distribution terms

Claude Sonnet 4.5 is licensed under a proprietary license, while Qwen3 VL 4B Instruct uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Claude Sonnet 4.5

Proprietary

Closed source

Qwen3 VL 4B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Sonnet 4.5 was released on 2025-09-29, while Qwen3 VL 4B Instruct was released on 2025-09-22.

Claude Sonnet 4.5 is 0 month newer than Qwen3 VL 4B Instruct.

Claude Sonnet 4.5

Sep 29, 2025

7 months ago

1w newer

Qwen3 VL 4B Instruct

Sep 22, 2025

8 months ago

Knowledge Cutoff

When training data ends

Claude Sonnet 4.5 has a documented knowledge cutoff of 2025-01-31, while Qwen3 VL 4B Instruct's cutoff date is not specified.

We can confirm Claude Sonnet 4.5's training data extends to 2025-01-31, but cannot make a direct comparison without Qwen3 VL 4B Instruct's cutoff date.

Claude Sonnet 4.5

Jan 2025

Qwen3 VL 4B Instruct

—

Provider Availability

Claude Sonnet 4.5 is available from Anthropic. Qwen3 VL 4B Instruct is available from DeepInfra.

Claude Sonnet 4.5

Anthropic

Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Qwen3 VL 4B Instruct

Deepinfra

Input Price:Input: $0.10/1MOutput Price:Output: $0.60/1M

* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Claude Sonnet 4.5

View details

Anthropic

Higher AIME 2025 score (87.0% vs 46.6%)

Higher OSWorld score (61.4% vs 26.2%)

Qwen3 VL 4B Instruct

View details

Alibaba Cloud / Qwen Team

Larger context window (262,144 tokens)

Less expensive input tokens

Less expensive output tokens

Has open weights

Detailed Comparison

AI Model Comparison Table
Feature	Claude Sonnet 4.5	Qwen3 VL 4B Instruct

FAQ

Common questions about Claude Sonnet 4.5 vs Qwen3 VL 4B Instruct.

Which is better, Claude Sonnet 4.5 or Qwen3 VL 4B Instruct?

Claude Sonnet 4.5 significantly outperforms across most benchmarks. Claude Sonnet 4.5 is made by Anthropic and Qwen3 VL 4B Instruct is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Sonnet 4.5 compare to Qwen3 VL 4B Instruct in benchmarks?

Claude Sonnet 4.5 scores MMMLU: 89.1%, AIME 2025: 87.0%, TAU-bench Retail: 86.2%, GPQA: 83.4%, MMMUval: 77.8%. Qwen3 VL 4B Instruct scores DocVQAtest: 95.3%, ScreenSpot: 94.0%, OCRBench: 88.1%, MMBench-V1.1: 85.1%, AI2D: 84.1%.

Is Claude Sonnet 4.5 cheaper than Qwen3 VL 4B Instruct?

Qwen3 VL 4B Instruct is 30.0x cheaper for input tokens. Claude Sonnet 4.5 costs $3.00/M input and $15.00/M output via anthropic. Qwen3 VL 4B Instruct costs $0.10/M input and $0.60/M output via deepinfra.

What are the context window sizes for Claude Sonnet 4.5 and Qwen3 VL 4B Instruct?

Claude Sonnet 4.5 supports 200K tokens and Qwen3 VL 4B Instruct supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Sonnet 4.5 and Qwen3 VL 4B Instruct?

Key differences include context window (200K vs 262K), input pricing ($3.00 vs $0.10/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 4.5 and Qwen3 VL 4B Instruct?

Claude Sonnet 4.5 is developed by Anthropic and Qwen3 VL 4B Instruct is developed by Alibaba Cloud / Qwen Team.